I have found a cooler engine temp, when running A/C, by putting a spacer between the A/C mounting bracket and the radiator bottom bolt for the A/C mount. The A/C (condenser?) is then farther forward from the radiator.

Seems to work for me.

Anyone else have simple tips for a cooler engine?

 

you mean the engine
bay?
OD

 

1) Remove the car engine under-tray.
2) Remove the two bolts that hold the bottom of the A/C condenser to the radiator.
3) Get longer bolts and spacers, mine were 1.25 inches.
4) Spacers and longer bolts will increase the distance between the A/C condenser and the radiator.
5) Pettit cars will find the inter cooler sits more towards vertical.